Julien Coustaury is the Founding and Managing Partner of Fil Rouge Capital (FRC). See sector focus and contact routes.
Julien Coustaury is the Founding and Managing Partner of Fil Rouge Capital (FRC), a Zagreb-based venture firm he inspired and named in 2016 after building mobile networks and companies across 80 countries with over $1.7 billion in transactions. His investment thesis targets pre-seed, seed, and Series A rounds in Eastern Europe, focusing on sectors like marketplace, Industry 4.0, logistics, fintech, AI, healthtech, and mobility. Typical checks range from €10,000 for incubation up to €500,000 for seed deals, with follow-ons reaching €3 million, and FRC often acts as a lead investor in early stages. Notable portfolio companies include Double Recall (a YCombinator S11 startup he co-founded), plus investments in travel, robotics, and FinTech ventures across the region. Coustaury distinguishes himself as an operator-turned-investor with 20+ years at the CEO level, having personally invested in over 40 early-stage ventures and serving on multiple boards. He has publicly emphasized FRC’s openness to business in Croatia, stating they aim to invest €42 million in Croatian startups and scaleups by 2023.
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